set(VCRTL_LIBRARY "${CMAKE_CURRENT_BINARY_DIR}/vcrtl/$<CONFIG>/vcrtl_driver.lib")

ExternalProject_Add(
  vcrtl_build
  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vcrtl
  BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/vcrtl
  BUILD_COMMAND "${CMAKE_COMMAND}" --build ${CMAKE_CURRENT_BINARY_DIR}/vcrtl --config $<CONFIG> --target vcrtl_driver
  PATCH_COMMAND cmd /C "echo. > ${CMAKE_CURRENT_SOURCE_DIR}/vcrtl/src/runtime.cpp"
  INSTALL_COMMAND ""
  USES_TERMINAL_CONFIGURE 1
  USES_TERMINAL_BUILD 1
  BUILD_ALWAYS 1
  BUILD_BYPRODUCTS "${VCRTL_LIBRARY}"
  CMAKE_ARGS
    "-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}"

    "-DCMAKE_SHARED_LINKER_FLAGS=${CMAKE_SHARED_LINKER_FLAGS}"
    "-DCMAKE_MODULE_LINKER_FLAGS=${CMAKE_MODULE_LINKER_FLAGS}"
    "-DCMAKE_EXE_LINKER_FLAGS=${CMAKE_EXE_LINKER_FLAGS}"

    "-DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}"
    "-DCMAKE_C_FLAGS_DEBUG=${CMAKE_C_FLAGS_DEBUG}"
    "-DCMAKE_C_FLAGS_RELEASE=${CMAKE_C_FLAGS_RELEASE}"

    "-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
    "-DCMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}"
    "-DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE}"

    "-DCMAKE_MSVC_RUNTIME_LIBRARY=${CMAKE_MSVC_RUNTIME_LIBRARY}"
)

add_library(vcrtl_driver INTERFACE)
add_dependencies(vcrtl_driver vcrtl_build)
target_link_libraries(vcrtl_driver INTERFACE "${VCRTL_LIBRARY}")